Valve Steam 3.42.16.13 uses weak permissions for the files in the Steam program directory, which allows local users to modify the files and possibly gain privileges as demonstrated by a Trojan horse Steam.exe file
Published Jan 23, 2017
4.8
MEDIUMCVSS 3.0
EPSS 0.78%
Description
Valve Steam 3.42.16.13 uses weak permissions for the files in the Steam program directory, which allows local users to modify the files and possibly gain privileges as demonstrated by a Trojan horse Steam.exe file.
Affected products
No data.
- ≤ 3.42.16.13
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
AV:L/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.78% (0.00784) | 54.41th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.78% (0.00784) | 51.07th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00066) | 17.83th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.06% (0.00061) | 27.92th | v3 (v2023.03.01) |
| May 31, 2024 | 0.06% (0.00061) | 25.77th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.06% (0.00061) | 23.77th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.83% (0.01832) | 77.15th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.83% (0.01832) | 77.10th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.83% (0.01832) | 75.09th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.83% (0.01832) | 54.44th | v2 (v2022.01.01) |
References (2)
- https://packetstormsecurity.com/files/137343/Valve-Steam-3.42.16.13-Local-Privilege-Escalation.html x_refsource_MISCExploitThird Party AdvisoryVDB Entry
- https://www.exploit-db.com/exploits/39888/ exploitx_refsource_EXPLOIT-DB
| Link | Providers | Tags |
|---|---|---|
| https://packetstormsecurity.com/files/137343/Valve-Steam-3.42.16.13-Local-Privilege-Escalation.html | x_refsource_MISCExploitThird Party AdvisoryVDB Entry | |
| https://www.exploit-db.com/exploits/39888/ | exploitx_refsource_EXPLOIT-DB |
Change history (0)
No recorded changes yet.